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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Brought to you by number 42.
#ifndef NET_COOKIES_COOKIE_STORE_H_
#define NET_COOKIES_COOKIE_STORE_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/callback_list.h"
#include "base/memory/ref_counted.h"
#include "base/time/time.h"
#include "net/base/net_export.h"
#include "net/cookies/canonical_cookie.h"
#include "net/cookies/cookie_options.h"
class GURL;
namespace net {
class CookieMonster;
// An interface for storing and retrieving cookies. Implementations need to
// be thread safe as its methods can be accessed from IO as well as UI threads.
class NET_EXPORT CookieStore : public base::RefCountedThreadSafe<CookieStore> {
public:
// Callback definitions.
typedef base::Callback<void(const CookieList& cookies)> GetCookieListCallback;
typedef base::Callback<void(const std::string& cookie)> GetCookiesCallback;
typedef base::Callback<void(bool success)> SetCookiesCallback;
typedef base::Callback<void(int num_deleted)> DeleteCallback;
typedef base::Callback<void(const CanonicalCookie& cookie, bool removed)>
CookieChangedCallback;
typedef base::CallbackList<void(const CanonicalCookie& cookie, bool removed)>
CookieChangedCallbackList;
typedef CookieChangedCallbackList::Subscription CookieChangedSubscription;
// Sets a single cookie. Expects a cookie line, like "a=1; domain=b.com".
//
// Fails either if the cookie is invalid or if this is a non-HTTPONLY cookie
// and it would overwrite an existing HTTPONLY cookie.
// Returns true if the cookie is successfully set.
virtual void SetCookieWithOptionsAsync(
const GURL& url,
const std::string& cookie_line,
const CookieOptions& options,
const SetCookiesCallback& callback) = 0;
// TODO(???): what if the total size of all the cookies >4k, can we have a
// header that big or do we need multiple Cookie: headers?
// Note: Some sites, such as Facebook, occasionally use Cookie headers >4k.
//
// Simple interface, gets a cookie string "a=b; c=d" for the given URL.
// Use options to access httponly cookies.
virtual void GetCookiesWithOptionsAsync(
const GURL& url,
const CookieOptions& options,
const GetCookiesCallback& callback) = 0;
// Returns all matching cookies without marking them as accessed,
// including HTTP only cookies.
virtual void GetAllCookiesForURLAsync(
const GURL& url,
const GetCookieListCallback& callback) = 0;
// Deletes the passed in cookie for the specified URL.
virtual void DeleteCookieAsync(const GURL& url,
const std::string& cookie_name,
const base::Closure& callback) = 0;
// Deletes all of the cookies that have a creation_date greater than or equal
// to |delete_begin| and less than |delete_end|
// Returns the number of cookies that have been deleted.
virtual void DeleteAllCreatedBetweenAsync(const base::Time& delete_begin,
const base::Time& delete_end,
const DeleteCallback& callback) = 0;
// Deletes all of the cookies that match the host of the given URL
// regardless of path and that have a creation_date greater than or
// equal to |delete_begin| and less then |delete_end|. This includes
// all http_only and secure cookies, but does not include any domain
// cookies that may apply to this host.
// Returns the number of cookies deleted.
virtual void DeleteAllCreatedBetweenForHostAsync(
const base::Time delete_begin,
const base::Time delete_end,
const GURL& url,
const DeleteCallback& callback) = 0;
virtual void DeleteSessionCookiesAsync(const DeleteCallback&) = 0;
// Returns the underlying CookieMonster.
virtual CookieMonster* GetCookieMonster() = 0;
// Add a callback to be notified when the set of cookies named |name| that
// would be sent for a request to |url| changes. The returned handle is
// guaranteed not to hold a hard reference to the CookieStore object.
//
// |callback| will be called when a cookie is added or removed. |callback| is
// passed the respective |cookie| which was added to or removed from the
// cookies and a boolean indicating if the cookies was removed or not.
//
// Note that |callback| is called twice when a cookie is updated: once for
// the removal of the existing cookie and once for the adding the new cookie.
//
// Note that this method consumes memory and CPU per (url, name) pair ever
// registered that are still consumed even after all subscriptions for that
// (url, name) pair are removed. If this method ever needs to support an
// unbounded amount of such pairs, this contract needs to change and
// implementors need to be improved to not behave this way.
virtual scoped_ptr<CookieChangedSubscription> AddCallbackForCookie(
const GURL& url,
const std::string& name,
const CookieChangedCallback& callback) = 0;
protected:
friend class base::RefCountedThreadSafe<CookieStore>;
CookieStore();
virtual ~CookieStore();
};
} // namespace net
#endif // NET_COOKIES_COOKIE_STORE_H_
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